Evidence supporting the idea that water on Earth may have originated from comets includes the analysis of the composition of various comets, which are found to contain significant amounts of water ice and organic compounds. Notably, the isotopic ratios of hydrogen in cometary water have been measured in several studies, showing similarities to the Earth's water, though some discrepancies exist. Additionally, during the early solar system, a bombardment of comets and other icy bodies may have delivered water to the young Earth, contributing to its hydration. These findings, alongside models of early solar system dynamics, suggest that comets were likely significant sources of Earth's water.
In three to five sentences, explain the evidence that supports the idea that water on Earth may have come from comets..
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Evidence that water on Earth may have come from comets includes the discovery that comets contain significant amounts of water ice and organic compounds. Isotopic analysis of hydrogen in cometary water has shown similarities to Earth's water, supporting the idea of delivery during the early solar system. This suggests that comets likely played a significant role in hydrating the young Earth.
do that again but in 3 grade words
Scientists think some of Earth's water may have come from comets. Comets are space ice bodies that have lots of water and other important stuff. When scientists looked at the water in comets, they found it is similar to the water we have on Earth. This makes them believe that comets helped bring water to our planet a long time ago.
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